From c4032528aff8ef1938e897ec583bbf25a3e713e1 Mon Sep 17 00:00:00 2001
From: Graham Linden <graham@lindenlab.com>
Date: Thu, 2 May 2019 13:49:35 -0700
Subject: Roll back sRGB decode changes from contrib for now.

Fix direct light matching across alpha/blended-material/deferred.

Get diffuse lighting to match from Low to Ultra.
---
 indra/llrender/llrendertarget.cpp | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

(limited to 'indra/llrender/llrendertarget.cpp')

diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp
index cd484b4fe9..9fb4f7f2b0 100644
--- a/indra/llrender/llrendertarget.cpp
+++ b/indra/llrender/llrendertarget.cpp
@@ -502,9 +502,26 @@ U32 LLRenderTarget::getNumTextures() const
 }
 
 
-void LLRenderTarget::bindTexture(U32 index, S32 channel)
+void LLRenderTarget::bindTexture(U32 index, S32 channel, LLTexUnit::eTextureFilterOptions filter_options)
 {
 	gGL.getTexUnit(channel)->bindManual(mUsage, getTexture(index));
+
+    bool isSRGB = false;
+    llassert(mInternalFormat.size() > index);
+    switch (mInternalFormat[index])
+    {
+        case GL_SRGB_ALPHA:
+        case GL_SRGB:
+        case GL_SRGB8_ALPHA8:
+            isSRGB = true;
+        break;
+
+        default:
+        break;
+    }
+
+    gGL.getTexUnit(channel)->setTextureFilteringOption(filter_options);
+    gGL.getTexUnit(channel)->setTextureColorSpace(isSRGB ? LLTexUnit::TCS_SRGB : LLTexUnit::TCS_LINEAR);
 }
 
 void LLRenderTarget::flush(bool fetch_depth)
-- 
cgit v1.2.3